| Clay to Beyne-Heusay | 4,554.74 mi (7,330.15 km) |
| Clay to Bierbeek | 4,513.36 mi (7,263.56 km) |
| Clay to Bilzen | 4,542.32 mi (7,310.15 km) |
| Clay to Binche | 4,501.27 mi (7,244.09 km) |
| Clay to Bissegem | 4,451.65 mi (7,164.24 km) |
| Clay to Blankenberge | 4,434.82 mi (7,137.15 km) |
| Clay to Blegny | 4,556.64 mi (7,333.20 km) |
| Clay to Bocholt | 4,536.16 mi (7,300.24 km) |
| Clay to Boechout | 4,493.31 mi (7,231.29 km) |
| Clay to Bonheiden | 4,498.51 mi (7,239.66 km) |
| Clay to Boom | 4,490.50 mi (7,226.77 km) |
| Clay to Boortmeerbeek | 4,501.22 mi (7,244.02 km) |
| Clay to Borgerhout | 4,489.93 mi (7,225.84 km) |
| Clay to Borgloon | 4,537.24 mi (7,301.98 km) |
| Clay to Bornem | 4,484.73 mi (7,217.47 km) |
